Good Day SRT,
If our system can't be "unlocked" as others are asking, is it possible to have the Mopar PCM for the Gen 4 re-tuned so the throttle response speed is increased and feels like a normal high performance car? At this point, I don't think that's asking too much since I already spent the money on the Mopar PCM and throttle response on tip in is just so darn slow. Throttle response on tip in should not stress or effect the longevity of the motor, correct?? Please let me know if I'm wrong.
For those of us that own other high performance cars with FBW and very crisp and fast throttle response (what I would just consider normal), jumping into the Viper just feels so frustrating in comparision.
I look forward to your response.
Cheers,
George
You are welcome Moundir and thanks for the kind words! This has all been said in the past on several occasions and in several venues. however, everyone out there seems to think we just "held out" lots of power for whatever reason and it simply is not the case. It is true that the fuel mixture is richer than optimum for max power but that is done for very good reasons - to keep your valves, pistons and catalysts from ending up on the street behind you or on the dyno floor below your car. I'm sure some sharp aftermarket tuner can figure out a way to accomplish leaning out the mixture and it may last for some time before something fails, but in the end, it will fail. Same with spark...the engine could benefit from some added spark in some areas (but not all like at peak power for instance) but you would most likely experience knock or worst case, detonation as a result and you would again be sweeping parts up from under the car. Once the engine or air induction system has been modified, all bets are off without some intelligent engineering which is often difficult to find...
That is such a bull**** answer. And YES you did hold out on the tuning, you know it we know it and ALL oems do it.
You guys actually hurt your own sales when doing stuff like locking out ecm's.
It's called HOT RODDING. Americans like to do that and if you lock them out with no aftermarket support then they will go buy a ford or a Chevy
Dodge does some of the goofiest stuff. And before you think I'm just bagging on you, I own an SRT RAM, SRT challenger, 2000 viper gts, and an 08 viper, and several others.
Dodge makes the aftermarket pull their collective hair out over dumb **** like this.
This is just business as usual with a spin doctor answer from SRT.
There are some aftermarket PCM's that can handle the GEN IV ....unfortunately they cost $5000-$14000. Motec will run you $14k and the new Infinity AEM will cost around 5k
There are a few TT Gen IV's out there...RSI...etc,etc
Hot Rodding still available on Vipers, but not through computers. Old school still rules with intake and exhaust mods till very effective.
Most of the people I know want to modify the computer to increase performance, but always want to be able to change it back when they need warranty work. Think Dodge is on to them.
Word on the street is that SRT is considering making adjustments possible, but they will most likely need to void the warranty if if is done. (off road use...)
The AEM is not out yet for the gen 4 and there are no RUNNING gen4s out there!! Show me one please! Also the new AEM is not a proven system, it will take time and trials to see where and how it ends up working for the gen 4s. Also, there's only a hand full of people I would trust with the tuning of the gen 4 car which makes it incredibly cost prohibitive!!
Hot Rodding still available on Vipers, but not through computers. Old school still rules with intake and exhaust mods till very effective.
Most of the people I know want to modify the computer to increase performance, but always want to be able to change it back when they need warranty work. Think Dodge is on to them.
Word on the street is that SRT is considering making adjustments possible, but they will most likely need to void the warranty if if is done. (off road use...)
Underground did an ACR when they first came out back in 08. No idea where that car is now. Not an AEM but I think a Motec.
Underground did an ACR when they first came out back in 08. No idea where that car is now. Not an AEM but I think a Motec.
Maybe Dodge should offer the tune for a price. Many aftermarket sellers had this going on. I think there were about 3 different tunes for the Gen 3 you could get loaded. This way Dodge knows who and what you have done and the warranty then becomes there option.
Well I am sure your correct for the 04 and below but I was thinking later years where nobody can touch the information. I had a tune done (safe tune) air fuel adj and a few other things got a few more hp, but it did run much smoother. Nothing to write home about.Not sure what you mean...? All tunes for Gen-3 are written by the respective tuner, nothing is "canned" nor shared between tuners- there are thousands of different Gen-2/3 tune files out there. There is no way that Dodge would get into this, they are not aftermarket tuners, and have no support network that could ever hope to implement such a thing correctly. A few files to choose from is not nearly enough to accomplish anything, every package design and install is different.
Well I am sure your correct for the 04 and below but I was thinking later years where nobody can touch the information. I had a tune done (safe tune) air fuel adj and a few other things got a few more hp, but it did run much smoother. Nothing to write home about.
Mopar Performance did have a controller for the Gen 3 that complimented a MP cam and exhaust package. They also had numerous Competition Coupe calibrations that were loaded for differing tracks and altitudes. These were only available to the race teams.
Nice! They can do all that, yet they continue to $hit on the gen 4 owners! Once again thanks dodge, I mean srt
How different is the encryption on the Gen IV computer compared to the 2011+ Hemis? I only ask because Diablo claims to have cracked the 2011+ encryption, allowing for third party tuning on those platforms.
Mike@Diablosport said:Either they'd have to start selling 10X more Vipers then they do, or we'd have to be selling $1500 handheld tuners to be able to justify the engineering costs....its a shame they dont use a common PCM in any of the newer Vipers, like GM does with Vettes/Camaros/Trucks/etc...
This is what DiabloSport had to say:
It's just not a good business case for any of these guys...the very thing that makes the Viper rare keeps the aftermarket from wanting to invest money in it.
Keep in mind that the ecu used on the GEN4 Vipers is a completely different animal than the NGC controllers used on other Chrysler vehicles. It was designed in collaboration with Zytek , Motorola and Continental Automotive Systems in parallel with the GEN4 engine development, which is also a first. Chrysler, and likley most manufactures, typically develop new engine controllers with existing engine packages, and vice versa. It is also the only corporate engine controller (not counting the current Fiat models) I know of that use mass air flow meter(s). All corporate Chrysler engine controllers were speed density up until the VENOM controller, LOGIC MODULE, SMEC, FCC, SBEC I, II , III, IIIA, IIIB, JTEC, JTEC+, NGC 1, 2, 3, 4, 4+, etc . I've looked inside these controllers, and the hardware is completely different, if you look at the pin-outs, they are different as well. The only similarity, is that they look like a NGC controller and share the same connector.
My suggestion is to make your voice heard to companies like HP Tuners, Diablosport, etc, who have the resources to develop a calibration tool for these ecus by emailing them directly or posting on their forums.
http://www.autofieldguide.com/articles/collaboration-innovation-key-to-viper's-venom
- Chris
A leading Aussie company that deals in variable cam cars and tuning them told me the Venom controller is a whole other level of processor (actually two years ago they felt it was the most powerful processor in the automotive world).